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ESS partners with E.ON to recycle surplus energy

CTBR Staff Writer Published 14 March 2018

European Spallation Source (ESS) has signed an agreement with E.ON to recycle surplus energy from its materials research facility which can be used for district heating purposes in Lund, Sweden.

As part of the agreement, E.ON will supply cooling, purified water and compressed air for the research facility to operate.

The agreement also defines how it will use the surplus heat, which instead of being released into the air will be used to heat houses and workplaces in the region through the local district heating networks.

ESS director general John Womersley said: “One of the reasons ESS was placed in Lund was our ambitious sustainability goals. We aim to set a new standard for big science facilities, and recycling our waste heat is key to that. E.ON will be an excellent partner for ESS as we seek to become one of the most environmentally sustainable research centres in the world.”

ESS has signed this agreement for a 40 year period and will begin fully from 2025.

To minimize the risk for disruption of the experiments, ESS states that it places high demands for reliable delivery of cooling needs for its operations.

ESS conventional facilities head Kent Hedin said: "E.ON has been involved in the process of developing the ESS energy management concept, and we have an exciting development work ahead of us regarding this energy solution."

ESS, which will house the world’s most powerful neutron source, will offer research opportunities in a wide range of areas, such as energy, transport, life science and food. 

The surplus heat is generated by the machinery used in the facility, for example the cryogenic systems used to generate the liquid helium that is needed to cool the ESS accelerator to a few degrees above absolute zero, and the power supplies used to drive the particle beam.